一种设置新型自复位节点的钢框架结构体系整体抗震性能分析

为研究设置新型自复位节点的钢框架结构体系的整体抗震性能,建立了1个传统焊接框架体系和3个新型自复位节点的框架结构体系有限元模型。对比分析了新型自复位节点框架结构体系与传统焊接框架结构体系的位移响应,并研究了不同地震波作用下新型自复位节点在结构不同位置的整体性能。分析结果表明:新型节点框架结构体系传力稳定,均未出现明显的损伤变形,且其顶点最大位移与总高度之比均小于钢框架弹塑性位移角1/50的限值,满足抗震要求;新型节点框架结构体系最大层间位移角均出现在首层,但最大层间位移角均保持在0.03 rad以内,处于生命安全水准。研究结果表明,该新型自复位节点框架结构体系钢绞线工作稳定,框架结构具有较好的...

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Published inJianzhu Gangjiegou Jinzhan Vol. 25; pp. 53 - 61
Main Authors 李万润, 高海旺, 王怡宁, 杜永峰
Format Journal Article
LanguageChinese
Published Editorial Department of Progress in Steel Building Structures, Tongji University 01.09.2023
Subjects
Online AccessGet full text
ISSN1671-9379
DOI10.13969/j.cnki.cn31-1893.2023.09.006

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Abstract 为研究设置新型自复位节点的钢框架结构体系的整体抗震性能,建立了1个传统焊接框架体系和3个新型自复位节点的框架结构体系有限元模型。对比分析了新型自复位节点框架结构体系与传统焊接框架结构体系的位移响应,并研究了不同地震波作用下新型自复位节点在结构不同位置的整体性能。分析结果表明:新型节点框架结构体系传力稳定,均未出现明显的损伤变形,且其顶点最大位移与总高度之比均小于钢框架弹塑性位移角1/50的限值,满足抗震要求;新型节点框架结构体系最大层间位移角均出现在首层,但最大层间位移角均保持在0.03 rad以内,处于生命安全水准。研究结果表明,该新型自复位节点框架结构体系钢绞线工作稳定,框架结构具有较好的整体性。
AbstractList 为研究设置新型自复位节点的钢框架结构体系的整体抗震性能,建立了1个传统焊接框架体系和3个新型自复位节点的框架结构体系有限元模型。对比分析了新型自复位节点框架结构体系与传统焊接框架结构体系的位移响应,并研究了不同地震波作用下新型自复位节点在结构不同位置的整体性能。分析结果表明:新型节点框架结构体系传力稳定,均未出现明显的损伤变形,且其顶点最大位移与总高度之比均小于钢框架弹塑性位移角1/50的限值,满足抗震要求;新型节点框架结构体系最大层间位移角均出现在首层,但最大层间位移角均保持在0.03 rad以内,处于生命安全水准。研究结果表明,该新型自复位节点框架结构体系钢绞线工作稳定,框架结构具有较好的整体性。
Author 李万润
高海旺
杜永峰
王怡宁
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StartPage 53
SubjectTerms 动力响应
层间位移角
抗震性能
框架结构
自复位节点
Title 一种设置新型自复位节点的钢框架结构体系整体抗震性能分析
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